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ISRO Successfully Conducts Vacuum Ignition Trial of Cryogenic Engine

ISRO Successfully Conducts Vacuum Ignition Trial of Cryogenic Engine

ISRO Successfully Conducts Vacuum Ignition Trial of Cryogenic Engine

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ISRO Successfully Carries Out Vacuum Ignition Trial of Cryogenic Engine

The Indian Space Research Organisation (ISRO) has achieved another milestone in space technology by successfully conducting a vacuum ignition trial of its cryogenic engine. This test is crucial for future space missions, particularly those involving heavy-lift rockets and deep-space exploration.


Significance of the Vacuum Ignition Trial

The vacuum ignition trial was conducted to simulate real-space conditions, where the cryogenic engine must ignite and function efficiently in a near-vacuum environment.


Cryogenic engines use supercooled liquid hydrogen (LH2) and liquid oxygen (LOX) to generate high thrust with efficiency.

These engines power the GSLV (Geosynchronous Satellite Launch Vehicle) and future ISRO heavy-lift rockets.

The successful trial ensures that the engine can perform reliably in space, paving the way for advanced launch missions.

How Was the Test Conducted?

The test was carried out at ISRO’s Liquid Propulsion Systems Centre (LPSC), under conditions mimicking the high-altitude, low-pressure space environment. Engineers monitored:


Ignition performance in vacuum conditions

Thrust efficiency and stability

Propellant flow and combustion accuracy

Impact on Future Space Missions

The success of this test is a significant boost for India’s space ambitions, particularly for:


Gaganyaan mission: India’s first human spaceflight program, where cryogenic engines will play a key role.

Chandrayaan & Mars missions: Deep-space exploration missions requiring high-thrust engines.

Heavy-lift launches: Future rockets that will carry larger payloads and satellites into orbit.

ISRO’s Next Steps

With this achievement, ISRO is now focusing on full-scale tests and integration for upcoming launch missions. The development of next-generation cryogenic engines will further strengthen India’s position in global space exploration.


This successful trial marks another leap forward for ISRO, bringing India one step closer to its ambitious space exploration goals. 🚀



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